Name | River | Type | Height | Reservoir | Capacity | Capacity | Owner | Built | Ft | m | acre.ft | km3 | MW |
---|
Albeni Falls Dam | Pend Oreille River | Concrete gravity | 90|ft|m|disp=table}} | Lake Pend Oreille | 1153000|acre feet|km3|disp=table}} | ? | USACE | 1955 |
Alexander Dam | Bear River | Concrete gravity | 94|ft|m|disp=table}} | Alexander Reservoir | 15760|acre feet|km3|disp=table}} | 14 | PacifiCorp | 1925 |
American Falls Dam | Snake River | Concrete gravity | 94|ft|m|disp=table}} | American Falls Reservoir | 1671300|acre feet|km3|disp=table}} | 112 | USBR | 1978 |
Anderson Ranch Dam | South Fork Boise River | Earthfill | 456|ft|m|disp=table}} | Anderson Ranch Reservoir | 503500|acre feet|km3|disp=table}} | 40 | USBR | 1950 |
Black Canyon Diversion Dam | Payette River | Concrete gravity | 183|ft|m|disp=table}} | Black Canyon Reservoir | 31200|acre feet|km3|disp=table}} | 10 | USBR | 1924 |
Arrowrock Dam | Boise River | Concrete arch | 350|ft|m|disp=table}} | Arrowrock Reservoir | 300850|acre feet|km3|disp=table}} | 0 | USBR | 1915 |
Blackfoot Dam | Blackfoot River | Earthfill | 55|ft|m|disp=table}} | Blackfoot Reservoir | 417000|acre feet|km3|disp=table}} | 0 | Idaho Bureau of Indian Affairs | 1911 |
Bliss Dam | Snake River | Concrete gravity | 70|ft|m|disp=table}} | Bliss Reservoir | 11000|acre feet|km3|disp=table}} | 75 | Idaho Power | 1950 |
Brownlee Dam{{dagger}} | Snake River | Earthfill | 420|ft|m|disp=table}} | Brownlee Reservoir | 1426700|acre feet|km3|disp=table}} | 585.4 | Idaho Power | 1958 |
C. J. Strike Dam | Snake River | Earthfill | 115|ft|m|disp=table}} | C. J. Strike Reservoir | 247000|acre feet|km3|disp=table}} | 82.8 | Idaho Power | 1952 |
Cabinet Gorge Dam | Clark Fork | Concrete arch | 111|ft|m|disp=table}} | Cabinet Gorge Reservoir | 106000|acre feet|km3|disp=table}} | 231 | Avista Utilities | 1953 |
Cascade Dam | North Fork Payette River | Earthfill | 107|ft|m|disp=table}} | Lake Cascade | 693100|acre feet|km3|disp=table}} | 12.4 | USBR | 1948 |
Cedar Creek Dam | Cedar Creek | Earthfill | 84|ft|m|disp=table}} | Cedar Creek Reservoir | 30000|acre feet|km3|disp=table}} | 0 | Cedar Mesa Canal & Reservoir Co. | 1920 |
Crane Creek Dam | Crane Creek | Earthfill | 55|ft|m|disp=table}} | Crane Creek Reservoir | 56800|acre feet|km3|disp=table}} | ? | Crane Creek Reservoir Administrative Board | 1912 |
Deadwood Dam | Deadwood River | Concrete arch | 165|ft|m|disp=table}} | Deadwood Reservoir | 154000|acre feet|km3|disp=table}} | 0 | USBR | 1931 |
Dworshak Dam | North Fork Clearwater River | Concrete gravity | 717|ft|m|disp=table}} | Dworshak Reservoir | 3468000|acre feet|km3|disp=table}} | 460 | USACE | 1973 |
Fish Creek Dam | Fish Creek | Concrete multiple arch | 88|ft|m|disp=table}} | Fish Creek Reservoir | 12743|acre feet|km3|disp=table}} | 0 | Carey Valley Reservoir Co. | 1923 |
Hells Canyon Dam{{dagger}} | Snake River | Concrete gravity | 330|ft|m|disp=table}} | Hells Canyon Reservoir | 188000|acre feet|km3|disp=table}} | 391 | Idaho Power | 1967 |
Island Park Dam | Henrys Fork | Earthfill | 94|ft|m|disp=table}} | Island Park Reservoir | 135205|acre feet|km3|disp=table}} | 0 | USBR | 1939 |
Little Camas Dam | Little Camas Creek | Earthfill | 44|ft|m|disp=table}} | Little Camas Reservoir | 18400|acre feet|km3|disp=table}} | 0 | Mountain Home Irrigation District | 1912 |
Little Wood River Dam | Little Wood River | Earthfill | 169|ft|m|disp=table}} | Little Wood River Reservoir | 33300|acre feet|km3|disp=table}} | 3 | USBR | 1939 |
Lucky Peak Dam | Boise River | Earthfill | 340|ft|m|disp=table}} | Lucky Peak Lake | 307000|acre feet|km3|disp=table}} | 101 | USACE | 1955 |
Mackay Dam | Big Lost River | Earthfill | 67|ft|m|disp=table}} | Mackay Reservoir | 45000|acre feet|km3|disp=table}} | 0 | Big Lost River Irrigation District | 1918 |
Magic Dam | Big Wood River | Earthfill | 128|ft|m|disp=table}} | Magic Reservoir | 195000|acre feet|km3|disp=table}} | 9 | Magic Reservoir Hydroelectric, Inc. | 1910 |
McArthur Lake | Deep Creek | Earthfill | McArthur Lake | Idaho Fish and Game | 1942 |
Milner Dam | Snake River | Rockfill | 73|ft|m|disp=table}} | Milner Lake | 36300|acre feet|km3|disp=table}} | 58.3 | Milner Dam, Inc. | 1905 |
Minidoka Dam | Snake River | Earthfill/concrete | 86|ft|m|disp=table}} | Lake Walcott | 210200|acre feet|km3|disp=table}} | 28 | USBR | 1906 |
Mormon Dam | McKinney Creek | Earthfill | 23|ft|m|disp=table}} | Mormon Reservoir | 19280|acre feet|km3|disp=table}} | 0 | Twin Lakes Reservoir & Irrigation Co. | 1908 |
Oakley Dam | Goose Creek | Earthfill | 139|ft|m|disp=table}} | Lower Goose Creek Reservoir | 76000|acre feet|km3|disp=table}} | 0 | Oakley Canal Co. | 1916 |
Oneida Dam | Bear River | Concrete gravity | 102|ft|m|disp=table}} | Oneida Narrows Reservoir | 11400|acre feet|km3|disp=table}} | 30 | PacifiCorp | 1913 |
Paddock Valley Dam | Little Willow Creek | Earthfill | 43|ft|m|disp=table}} | Paddock Valley Reservoir | 36400|acre feet|km3|disp=table}} | 0 | Little Willow Irrigation District | 1949 |
Ririe Dam | Willow Creek | Earthfill | 253|ft|m|disp=table}} | Ririe Reservoir | 100500|acre feet|km3|disp=table}} | 0 | USBR | 1977 |
Oxbow Dam{{dagger}} | Snake River | Rockfill | 175|ft|m|disp=table}} | Oxbow Reservoir | 58200|acre feet|km3|disp=table}} | 190 | Idaho Power | 1961 |
Palisades Dam | Snake River | Earthfill | 270|ft|m|disp=table}} | Palisades Reservoir | 1200000|acre feet|km3|disp=table}} | 176.5 | USBR | 1957 |
Post Falls Dam | Spokane River | Concrete gravity | 57.8|ft|m|disp=table}} | Coeur d'Alene Lake | 225000|acre feet|km3|disp=table}} | 14.75 | Avista Utilities | 1906 |
Priest Lake Dam | Priest River | Concrete gravity | 8|ft|m|disp=table}} | Priest Lake | 143000|acre feet|km3|disp=table}} | ? | Idaho Department of Water Resources | 1978 |
Sage Hen Dam | Sage Hen Creek | Earthfill | 38|ft|m|disp=table}} | Sage Hen Reservoir | 5210|acre feet|km3|disp=table}} | 0 | Squaw Creek Irrigation Company | 1938 |
Salmon Falls Dam | Salmon Falls Creek | Concrete arch | 217|ft|m|disp=table}} | Salmon Falls Creek Reservoir | 230650|acre feet|km3|disp=table}} | 0 | Salmon River Canal Co. | 1911 |